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openwrt_yocto/poky/meta/recipes-devtools/elfutils/files/0002-Fix-elf_cvt_gunhash-if-dest-and-src-are-same.patch
T
francis.wang 4c86c082a2 Initial commit: OpenWrt-Yocto monorepo
Combine poky (Yocto scarthgap), meta-openembedded (scarthgap), and
meta-openwrt into a single repository.

Components:
- poky/             Yocto core framework (BitBake + OE-Core)
- meta-openembedded/ Community layers (meta-oe, meta-python, meta-networking)
- meta-openwrt/     OpenWrt customization layer
- setup-env.sh      One-click build environment setup
- README.md         Project documentation
2026-07-11 13:28:01 +08:00

40 lines
1.4 KiB
Diff

From d8f07a23d608b744dcc0592f9f32f258b186a77c Mon Sep 17 00:00:00 2001
From: Hongxu Jia <hongxu.jia@windriver.com>
Date: Tue, 15 Aug 2017 17:13:59 +0800
Subject: [PATCH] Fix elf_cvt_gunhash if dest and src are same.
Upstream-Status: Pending
The 'dest' and 'src' can be same, we need to save the value of src32[2]
before swaping it.
Signed-off-by: Baoshan Pang <BaoShan.Pang@windriver.com>
Rebase to 0.170
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
libelf/gnuhash_xlate.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libelf/gnuhash_xlate.h b/libelf/gnuhash_xlate.h
index 3a00ae0..40468fc 100644
--- a/libelf/gnuhash_xlate.h
+++ b/libelf/gnuhash_xlate.h
@@ -42,6 +42,7 @@ elf_cvt_gnuhash (void *dest, const void *src, size_t len, int encode)
words. We must detangle them here. */
Elf32_Word *dest32 = dest;
const Elf32_Word *src32 = src;
+ Elf32_Word save_src32_2 = src32[2]; // dest could be equal to src
/* First four control words, 32 bits. */
for (unsigned int cnt = 0; cnt < 4; ++cnt)
@@ -52,7 +53,7 @@ elf_cvt_gnuhash (void *dest, const void *src, size_t len, int encode)
len -= 4;
}
- Elf32_Word bitmask_words = encode ? src32[2] : dest32[2];
+ Elf32_Word bitmask_words = encode ? save_src32_2 : dest32[2];
/* Now the 64 bit words. */
Elf64_Xword *dest64 = (Elf64_Xword *) &dest32[4];